Fortress Power DuraRack Indoor/Outdoor Battery Enclosure
Fortress Power DuraRack Indoor/Outdoor Battery Enclosure
SKU: FP-850079800113
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PRODUCT DESCRIPTION
Description
Note: Outdoor rated enclosure, holds 4 eFlex or eFlex Max units per rack. Includes busbars and 4 sets of “+” and “-” battery cables; UL 9540 Certified
Fortress Power DuraRack Indoor/Outdoor Battery Enclosure
Product Description
The Fortress Power DuraRack is an all-weather battery enclosure designed for safe, organized indoor and outdoor energy storage installations. Constructed from carbon steel, each enclosure accommodates up to four eFlex 5.4kWh batteries for a storage capacity of up to 21.6kWh.
For larger systems, up to four DuraRack enclosures can be used together to support as many as 15 eFlex batteries and 81kWh of storage. Integrated busbars and battery cables simplify installation, while vented airflow provides passive cooling in warm environments.
- Holds up to four eFlex 5.4kWh batteries
- Provides 5.4kWh to 21.6kWh of storage per enclosure
- Expandable to four enclosures, 15 batteries and 81kWh
- IP54-rated for indoor and outdoor installations
- Integrated positive and negative busbars
- Pre-wired with battery cables
- Vented design promotes passive cooling
- Compatible with the optional Fortress Power Heat Mat Kit
- Free-standing or pad-mounted installation
- Clean, tamper-resistant design
- Suitable for residential and commercial applications
Specifications
| Specification | Details |
|---|---|
| Enclosure Material | Carbon steel |
| Enclosure Protection | IP54 water and dust protection |
| Enclosure Color | White |
| Dimensions | 29.29 × 41.34 × 18.03 inches |
| Metric Dimensions | 744 × 1,050 × 458 mm |
| Enclosure Weight | 153.2 lbs / 59.6 kg |
| Maximum Batteries per Enclosure | Four eFlex 5.4kWh batteries |
| Storage Capacity per Enclosure | 5.4kWh–21.6kWh |
| Maximum System Storage Capacity | 81kWh with four enclosures in parallel |
| Knockout Sizes | 1 inch and 2 inches |
| Positive and Negative Battery Busbars | Two × four points; M8 (5/16-inch) terminal rings |
| Positive and Negative Busbars to Inverter | Two points; M10 (3/8-inch) terminal rings |
| Terminal Torque | 7.0–7.7 Nm / 5.1–5.7 ft-lb |
| Installation | Free-standing or pad-mounted |
| Enclosure Warranty | Three years |
| Certifications and Listings | UL9540, UL9540A, UL1973, CEC and SGIP |
FAQs
Q: How many batteries fit inside one Fortress Power DuraRack?
A: Each DuraRack accommodates up to four Fortress Power eFlex 5.4kWh batteries.
Q: How much energy storage does one DuraRack support?
A: Depending on the number of installed batteries, one enclosure supports between 5.4kWh and 21.6kWh.
Q: Can multiple DuraRack enclosures be used together?
A: Yes. The system can expand to four enclosures supporting up to 15 eFlex batteries and 81kWh of total storage.
Q: Can the DuraRack be installed outdoors?
A: Yes. The enclosure is IP54-rated for water and dust resistance and is suitable for indoor or outdoor installation.
Q: Does the DuraRack support cold-weather installations?
A: Yes. It is compatible with the optional Fortress Power Heat Mat Kit, which provides automatic cold-weather battery protection.
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